21888163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1747}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 25674624

約数和(自身を除く): 3786461

約数列:

[1, 11, 17, 67, 187, 737, 1139, 1747, 12529, 19217, 29699, 117049, 326689, 1287539, 1989833, 21888163]

約数ペア:

[(1, 21888163), (11, 1989833), (17, 1287539), (67, 326689), (187, 117049), (737, 29699), (1139, 19217), (1747, 12529)]